Facebook's WhatsApp is limiting the number of times a user can forward a message to five as the popular messaging service looks to fight "misinformation and rumours," company executives said on Monday.

U.S. President Donald Trump's lawyer Rudy Giuliani backtracks from earlier comments that Trump pursued a business deal to erect a tower bearing his name in Moscow throughout 2016, saying his statements were "hypothetical."

A gasoline pipeline explosion in central Mexico last week killed at least 89 people, the country's health minister said on Monday, while an official with the state-owned oil company defended its response to the leak.

Zimbabwe's government exceeded its mandate in ordering an internet blackout during civilian protests last week, a court ruled on Monday, as authorities pressed on with rounding up opposition figures blamed for the unrest.

Ten crew members have been found dead and 14 have been rescued after two ships caught fire in the Kerch Strait near Crimea, Russia's transport ministry said on Monday, with a rescue operation still underway.

Northern Ireland police carried out a controlled explosion on a vehicle that was hijacked by masked men in Londonderry on Monday and were examining two other abandoned vans, two days after a car bomb exploded in the city.